Lonsdale is located in Rice county Minnesota with a geographic area of 2.6 square miles. The total population in Lonsdale is 4,102 with 50.8% male and 49.2% female. Children under age 5 represent 13.6% of the population, under age 18 equal 35.1% of the population and over age 65 is 6.0% of the population. The median household income is $95,398, per capita income is $31,145. There are a total of 1,377 housing units with 83.8% owner occupied. Education includes 18.7% of residents that are high school graduates and 34.1% with a bachelor's degree or higher. The average temperature in Lonsdale in the summer is 69 degrees, and in the winter 9 degrees.